新型热电材料的工作原理及其研究现状  

Mechanism and Current Status of New Thermoelectric Materials

作　　者：曲柳 刘开新 QU Liu;LIU Kaixin(Shenyang Ligong University,Shenyang 110159,China)

机构地区：[1]沈阳理工大学,沈阳110159

出　　处：《电工材料》2024年第2期16-19,共4页Electrical Engineering Materials

基　　金：沈阳理工大学科研启动基金(1010147000928);辽宁省教育厅高等学校基本科研项目(1030040000420)。

摘　　要：作为能量转换的功能材料,热电材料在废热回收、温度传感、制冷和散热、深空探测等领域都有着重要的作用。优异的热电材料要求高塞贝克系数、低热导率和高电导率,随着科技的发展和人们环保意识的提高,研发具备高热电优值、优异的机械性能、安全性高、易于制备和加工、生态环保的热电材料,成为近年来研究热点之一。本篇论文综述了热电效应的产生机理、提高热电性质的有效方式及热电材料的研究进展,并对热电材料的应用前景进行分析与展望。As a functional material that converts energy between different forms,thermoelectric materials have the great potential to be used in applications such as waste heat recycling,sensing,cooling and refrigeration,deep space exploration.Requirements for excellent thermoelectric materials include high Seebeck coefficient,low thermal conductivity and high electrical conductivity.With the development of the technology and the improvement of Environmental awareness,research for the thermoelectric materials with high Seebeck coefficient,high mechanical properties,reliability,workability and environmentalfriendliness,has been of great importance.This article reviews the mechanism of thermoelectric effects,approaches of enhancing the thermoelectric properties and current status of thermoelectric materials,and then outlook the potential applications of thermoelectric materials.

关 键 词：热电性能 SEEBECK系数 热导率 电导率 

分 类 号：TM47[电气工程—电器] TB34[一般工业技术—材料科学与工程]